<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>链接伪类</title>
<style type="text/css">
a:link,a:visited{                   /*未访问和访问后*/
	color:#FC0;
	text-decoration:none;         /*清除超链接默认的下划线*/
	margin-right:20px;
}
a:hover{                             /*鼠标悬停*/
	color:#0F0;
	text-decoration:underline;   /*鼠标悬停时出现下划线*/
}
a:active{ color:#F00;}            /*鼠标点击不动*/
</style>
</head>
<body>
<a href="#">公司首页</a>
<a href="#">公司简介</a>
<a href="#">产品介绍</a>
<a href="#">联系我们</a>
</body>
</html>

